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Finding the Fourth Proportional to 529,843.51, 731,203.28 and 303,532.75

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Solution

The fourth proportional to 529,843.51, 731,203.28 and 303,532.75 is: 418,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,843.51 : 731,203.28 = 303,532.75 : x
  2. Step 2: Convert to fraction form
    529,843.51/731,203.28 = 303,532.75/x
  3. Step 3: Cross multiply
    529,843.51x = 731,203.28 × 303,532.75
  4. Step 4: Simplify right side
    529,843.51x = 221,944,142,387.42
  5. Step 5: Solve for x
    x = 221,944,142,387.42/529,843.51
  6. Step 6: Final answer
    x = 418,886.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.